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Power plants in Switzerland

A directory of 174 power plants in Switzerland with a combined installed capacity of 15,645 MW, mapped and ranked from open data — by fuel, capacity and emissions.

174power plants
15,645MW total capacity
4fuel types
0with asset-level CO₂

Power mix by fuel (Switzerland)

Hydro: 162 plants162HydroNuclear: 7 plants7NuclearGas: 3 plants3GasSolar: 2 plants2Solar

Plant counts by primary fuel, WRI Global Power Plant Database (CC BY 4.0).

Switzerland electricity grid — mix & carbon intensity (2025)

39gCO₂/kWh grid intensity
97.7%low-carbon electricity
67.8%renewables
2.3%fossil fuels
Hydro: 52 % of electricity52HydroNuclear: 30 % of electricity30NuclearSolar: 12 % of electricity12SolarOil: 2 % of electricity2OilBioenergy: 2 % of electricity2BioenergyOther Renewables: 2 % of electricity2Other Rene…Gas: 0 % of electricity0GasWind: 0 % of electricity0Wind

Source: Ember / Our World in Data (CC BY 4.0).

Largest plants in Switzerland

#PlantFuelMW
1Kernkraftwerk LeibstadtNuclear1,275
2BieudronHydro1,260
3Graben nuclear power plantNuclear1,140
4Kernkraftwerk GösgenNuclear1,060
5LimmernHydro1,000
6Kaiseraugst nuclear power plantNuclear950
7Kernkraftwerk BeznauNuclear760
8NendazHydro392
9Kernkraftwerk MühlebergNuclear390
10Grimsel 2Hydro388
11Bitsch (Biel)Hydro340
12BiascaHydro324
13Fionnay (Dixence)Hydro306
14PradellaHydro300
15Châtelard-VallorcineHydro260
16RiddesHydro258
17Birr power stationGas250
18Stalden (KWM)Hydro185
19Sedrun 1Hydro150
20BiaschinaHydro141

Largest by capacity →

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Power plants in Switzerland by region

Frequently asked questions

How many power plants are in Switzerland?

There are 174 power plants in Switzerland in this open dataset, with about 15,645 MW of total capacity.

What is the largest power plant in Switzerland?

Kernkraftwerk Leibstadt is the largest at about 1,275 MW (nuclear).

What fuels generate electricity in Switzerland?

The most common plant type in this dataset is hydro (162 plants), across 4 fuel types in total.

How clean is Switzerland's electricity grid?

Switzerland's grid carbon intensity is about 39 gCO₂/kWh, with 97.7% low-carbon generation (<a href="https://ember-energy.org/" rel="nofollow">Ember</a> / <a href="https://ourworldindata.org/energy" rel="nofollow">Our World in Data</a> (CC BY 4.0)).